New tsb for engine knock

[BlackandBlue]

After two months, still waiting for the engine to be replaced.

Lemon laws were designed for this situation.

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[Mgsouthwest2001]

Agree. The last one said it occurs after an oil change. Many, including myself had the feature appear within weeks of driving the car off the lot.

I just hit 5,000 miles, so taking it in for it’s first oil change. Although mine burned 3 qts in first 3500 miles. I’m the last 1500 burned only 3/4 of a quart. I’ve not put anything in mine other than The motocraft 5w20 synthetic blend as it burned through it.

Just posted how normal my typewriter is, so I have a record before the oil change. Although within this new bulletin, they can now say it’s normal as the oil change is not mentioned.

MAN, the tapping in that video is nuts!! No way that is normal. I was seriously shopping for another mustang. Even had a dealer make me an incredible offer on a new one but its all these noises that people talk about that keep me holding off. Even if all these rattles, ticks and knocks were normal (and I don't believe they are) who wants to own a car that sounds like its going to fly apart? My current Camaro SS has not been trouble free. I had the dreaded torque converter shudder and the rear diff groan when the car was cold but GM flushed the fluid in the tranny and rear and both problems are fixed for now. They may not stay fixed but at least GM is not saying its normal, deal with it. They have at least found a temporary fix. Ford expecting customers to just put up with sounds like that video is totally unacceptable. And, its keeping former loyal mustang owners like me ( I have had 5 Mustangs) from taking the plunge again. Some of you guys are better men than me because if I owned a car that rattled like that and a dealer told me oh its normal, live with it...I would go into orbit!

 

[Cobra Jet]

Here’s the official Ford TSB 19-2144 document:

TSB 19-2144 has now been superseded by TSB 20-2023 (attached)

 

[Bear_Stang]

TSB 19-2144 has now been superseded by TSB 20-2023 (attached)

My favorite ford phrases atm:

1. Engineering is investigating, monitor OASIS for updates.
2. This an operating characteristic of the 5.0L engine and no repairs should be attempted.

1 will always precede 2, and 2 will most surely follow 1.

 

[jcttraveler]

I bought my car new in November 2019. After hearing this pinging (mostly on warmer days and with the top down) fairly regularly the whole time, I took it in today. I explained what I was experiencing only to have the service guy print out the TSB, hand it to me and say it's "normal."

I've read the posts in this thread. My "ping" is definitely pre-ignition; the noise associated with low octane gas (perhaps foolishly, I buy premium) and timing too advanced. As the TSB says, I get the noise on hot start and a slow roll out at low RPMs (I have the manual transmission), but I also get it in the 2-3000 RPM range as I jockey for position on our crowded area highways under low to moderate load. I know this sound because my MGB, which I kept on the road for 20 yrs, would make the sound if I got the timing wrong (I was in high school, couldn't afford a timing light so tuned it by ear and a bit of trial/error).

I read the TSB the guy handed me and tried to explain this was different. He had already called to have my car brought back around. He was done. Didn't listen to it, didn't hook it up to anything. Before I escalate this a notch, are there other related posts on this topic with more background, maybe some solutions?

Thank you

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